Home / 1,129,992.78-1,694,103.02-530,645.42

Finding the Fourth Proportional to 1,129,992.78, 1,694,103.02 and 530,645.42

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Solution

The fourth proportional to 1,129,992.78, 1,694,103.02 and 530,645.42 is: 795,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,992.78 : 1,694,103.02 = 530,645.42 : x
  2. Step 2: Convert to fraction form
    1,129,992.78/1,694,103.02 = 530,645.42/x
  3. Step 3: Cross multiply
    1,129,992.78x = 1,694,103.02 × 530,645.42
  4. Step 4: Simplify right side
    1,129,992.78x = 898,968,008,571.17
  5. Step 5: Solve for x
    x = 898,968,008,571.17/1,129,992.78
  6. Step 6: Final answer
    x = 795,551.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.